jack up (something)
to raise prices, to raise something with a lifting device
The gas station jacked up their gas prices during the storm.
We jacked up the car so that we could change the tire.
Benefits of Pears
The pear, due to its richness in potassium, low in sodium and protein content, produces a mild diuretic effect in controlling renal disorders such as nephritis, cardiac and renal oedema, thus, abundant pear consumption is recommended in cases of renal failures.